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Finding the Fourth Proportional to 298,336.77, 447,504.62 and 88,122.33

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Solution

The fourth proportional to 298,336.77, 447,504.62 and 88,122.33 is: 132,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,336.77 : 447,504.62 = 88,122.33 : x
  2. Step 2: Convert to fraction form
    298,336.77/447,504.62 = 88,122.33/x
  3. Step 3: Cross multiply
    298,336.77x = 447,504.62 × 88,122.33
  4. Step 4: Simplify right side
    298,336.77x = 39,435,149,359.55
  5. Step 5: Solve for x
    x = 39,435,149,359.55/298,336.77
  6. Step 6: Final answer
    x = 132,183.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.